(19)

(11)

EP 4 025 292 A1

(12)

(43) Date of publication: 13.07.2022 Bulletin 2022/28 (21) Application number: 19944340.9 (22) Date of filing: 06.09.2019

(51) International Patent Classification (IPC):  A61M 39/28(2006.01) B23D 21/06(2006.01) B25B 7/20(2006.01) B21D 41/04(2006.01) B23D 21/10(2006.01) (52) Cooperative Patent Classification (CPC): A61M 39/10 (86) International application number: PCT/US2019/049846 (87) International publication number: WO 2021/045770 (11.03.2021 Gazette 2021/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Sartorius Stedim North America Inc. Bohemia, NY 11716 (US)	(72) Inventors: ZUMBRUM, Michael A. Oxford, PA 17350 (US) WORTMEYER, Johannes 37085 Goettingen (DE) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 3 81675 München 81675 München (DE)